iwlwifi: mvm: add fw runtime stack to dump data

The allocation of the DCCM between the data and the stack
can theoretically change without notice to the driver, but
the total size is HW-fixed. Since the stack CCM (runtime
stack) has also data important to the FW - this patch allows
pulling the whole DCCM in one piece and adds it to the dump
data.

If the size isn't known - just use the data part of the
DCCM as it appears in the FW TLVs.

Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

1 files changed, 7 insertions, 1 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-8000.c b/drivers/net/wireless/iwlwifi/iwl-8000.c
index bf0a95cb7153..6c5c55856a35 100644
--- a/drivers/net/wireless/iwlwifi/iwl-8000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-8000.c
@@ -81,6 +81,10 @@
 #define IWL8000_NVM_VERSION             0x0a1d
 #define IWL8000_TX_POWER_VERSION        0xffff /* meaningless */
 
+/* DCCM offsets and lengths */
+#define IWL8260_DCCM_OFFSET             0x800000
+#define IWL8260_DCCM_LEN                0x18000
+
 #define IWL8000_FW_PRE "iwlwifi-8000"
 #define IWL8000_MODULE_FIRMWARE(api) \
         IWL8000_FW_PRE "-" __stringify(api) ".ucode"
@@ -124,7 +128,9 @@ static const struct iwl_ht_params iwl8000_ht_params = {
         .led_mode = IWL_LED_RF_STATE,                           \
         .nvm_hw_section_num = NVM_HW_SECTION_NUM_FAMILY_8000,   \
         .d0i3 = true,                                           \
-        .non_shared_ant = ANT_A
+        .non_shared_ant = ANT_A,                                \
+        .dccm_offset = IWL8260_DCCM_OFFSET,                     \
+        .dccm_len = IWL8260_DCCM_LEN
 
 const struct iwl_cfg iwl8260_2n_cfg = {
         .name = "Intel(R) Dual Band Wireless N 8260",